agenttesla | b8f79db25cb59fdfba2e60d2da7b7fc36ef17903f2191235cc40419add9860d6

Analysis

max time kernel
147s
max time network
148s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07-02-2025 01:21

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General

Target

doc01312820220921192503.pdf.exe
Size

1.5MB
MD5

0566ce9fc8b9fadc1520c1c405c506c0
SHA1

69f313abba1959e57d99a690cdebbdc5e7006885
SHA256

46837b2b83edea93a312915b020a2aad926e18fcee577c8442853ebb8fabea13
SHA512

e1c3074866f9d257d077406f5ccca42f0752ce5235a3fe300977ddecfcdfe042b83238d6da22f79be643c27939e8a5857afc7d4ecaa141a8e7231df614e13d20
SSDEEP

24576:BAOcZuOEliE5L0ZKfCiFePXVSee+cvn7eaGAuvZG31RMaas/xG4ihMhi9+zOgQVC:bpihpigPFmJvn7tQA3XM9nxsi9LPT4

Score

10^/10

agenttesla blustealer collection credential_access discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

blustealer

https://api.telegram.org/bot5310184325:AAFI3fSQ6VcGu_NSTmv7d-qK2WCVhYY_qfg/sendMessage?chat_id=1293496579

Extracted

Family

agenttesla

https://api.telegram.org/bot5422204482:AAEu-I3AZCMcCehYPkAHAbI6qEwhd1OKxpk/

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Agenttesla family
agenttesla
BluStealer
A Modular information stealer written in Visual Basic.
stealer blustealer
Blustealer family
blustealer

Executes dropped EXE 3 IoCs

pid	Process
2292	DL NETIVE BOTNET LOGS.exe
1956	kafxmchc.pif
2372	RegSvcs.exe

Loads dropped DLL 10 IoCs

pid	Process
2316	doc01312820220921192503.pdf.exe
2316	doc01312820220921192503.pdf.exe
2316	doc01312820220921192503.pdf.exe
2316	doc01312820220921192503.pdf.exe
2316	doc01312820220921192503.pdf.exe
2316	doc01312820220921192503.pdf.exe
2316	doc01312820220921192503.pdf.exe
2316	doc01312820220921192503.pdf.exe
2316	doc01312820220921192503.pdf.exe
1956	kafxmchc.pif

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\WindowsUpdate = "C:\\Users\\Admin\\8_77\\kafxmchc.pif C:\\Users\\Admin\\8_77\\vqoa.dio"	kafxmchc.pif

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2292 set thread context of 1968	2292	DL NETIVE BOTNET LOGS.exe	33
PID 1956 set thread context of 2372	1956	kafxmchc.pif	34

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DL NETIVE BOTNET LOGS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	kafxmchc.pif
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AppLaunch.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	doc01312820220921192503.pdf.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2372	RegSvcs.exe
2372	RegSvcs.exe
2372	RegSvcs.exe
2372	RegSvcs.exe
2372	RegSvcs.exe
2372	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2372	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2292	DL NETIVE BOTNET LOGS.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 2316 wrote to memory of 2292	2316	doc01312820220921192503.pdf.exe	31
PID 2316 wrote to memory of 2292	2316	doc01312820220921192503.pdf.exe	31
PID 2316 wrote to memory of 2292	2316	doc01312820220921192503.pdf.exe	31
PID 2316 wrote to memory of 2292	2316	doc01312820220921192503.pdf.exe	31
PID 2316 wrote to memory of 1956	2316	doc01312820220921192503.pdf.exe	32
PID 2316 wrote to memory of 1956	2316	doc01312820220921192503.pdf.exe	32
PID 2316 wrote to memory of 1956	2316	doc01312820220921192503.pdf.exe	32
PID 2316 wrote to memory of 1956	2316	doc01312820220921192503.pdf.exe	32
PID 2316 wrote to memory of 1956	2316	doc01312820220921192503.pdf.exe	32
PID 2316 wrote to memory of 1956	2316	doc01312820220921192503.pdf.exe	32
PID 2316 wrote to memory of 1956	2316	doc01312820220921192503.pdf.exe	32
PID 2292 wrote to memory of 1968	2292	DL NETIVE BOTNET LOGS.exe	33
PID 2292 wrote to memory of 1968	2292	DL NETIVE BOTNET LOGS.exe	33
PID 2292 wrote to memory of 1968	2292	DL NETIVE BOTNET LOGS.exe	33
PID 2292 wrote to memory of 1968	2292	DL NETIVE BOTNET LOGS.exe	33
PID 2292 wrote to memory of 1968	2292	DL NETIVE BOTNET LOGS.exe	33
PID 2292 wrote to memory of 1968	2292	DL NETIVE BOTNET LOGS.exe	33
PID 2292 wrote to memory of 1968	2292	DL NETIVE BOTNET LOGS.exe	33
PID 2292 wrote to memory of 1968	2292	DL NETIVE BOTNET LOGS.exe	33
PID 2292 wrote to memory of 1968	2292	DL NETIVE BOTNET LOGS.exe	33
PID 1956 wrote to memory of 2372	1956	kafxmchc.pif	34
PID 1956 wrote to memory of 2372	1956	kafxmchc.pif	34
PID 1956 wrote to memory of 2372	1956	kafxmchc.pif	34
PID 1956 wrote to memory of 2372	1956	kafxmchc.pif	34
PID 1956 wrote to memory of 2372	1956	kafxmchc.pif	34
PID 1956 wrote to memory of 2372	1956	kafxmchc.pif	34
PID 1956 wrote to memory of 2372	1956	kafxmchc.pif	34
PID 1956 wrote to memory of 2372	1956	kafxmchc.pif	34
PID 1956 wrote to memory of 2372	1956	kafxmchc.pif	34

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\doc01312820220921192503.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\doc01312820220921192503.pdf.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2316
- C:\Users\Admin\8_77\DL NETIVE BOTNET LOGS.exe
  "C:\Users\Admin\8_77\DL NETIVE BOTNET LOGS.exe" Community portal â€“ Bulletin board,
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2292
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
    C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
    3⤵
    - Accesses Microsoft Outlook profiles
    - System Location Discovery: System Language Discovery
    PID:1968
- C:\Users\Admin\8_77\kafxmchc.pif
  "C:\Users\Admin\8_77\kafxmchc.pif" vqoa.dio
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1956
- - C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe
    "C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe"
    3⤵
    - Executes dropped EXE
    - Accesses Microsoft Outlook profiles
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - outlook_office_path
    - outlook_win_path
    PID:2372

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\8_77\aobexchemv.sek

Filesize
419KB

MD5
6d0effa3c91e7dab9770d542f1e13bd3

SHA1
d58c60b7fc51defbfeae317125c68ff9e7ef143d

SHA256
d8a82dab51ae0726e48d79efb85c1faa978db0969eeee5f1129e338fadb7cfcc

SHA512
1adeb5b30dac33a7c771adfe4cbde461f8d699ad844a7432a6be463f70f4b5f9aaf0becaf28d5a8f409944c3314eeee504108dbcee2b43cec84cd8bd375a82e4

Download Submit
C:\Users\Admin\8_77\xsbe.xml

Filesize
56KB

MD5
77ae283c682140c74eb5d49dd9d26077

SHA1
92242f79f6cdee7ce7d3aa74e4aaea35a5fd9a6e

SHA256
7277589980844745740ec546a3608225a33a7e40afd53a302a2984c4ee632d65

SHA512
d3c79bc1f66df206d6655de581a84f935e700554ec5dc4191c5a9550dc57754068adf94853e795adfa6b023185f5751b1877b413ff32711b60275966f6bebb0f

Download Submit
\Users\Admin\8_77\DL NETIVE BOTNET LOGS.exe

Filesize
440KB

MD5
61f35c53811bb66d62effc5a53de458f

SHA1
e4507c6a3d5c3d01f19c487366044febb126ca70

SHA256
833be5c7dccf68c26164d893636d27cc0ee9f870c472ca52aa90e33477c66eb1

SHA512
5148a115d3665bb951d537231c8262af5bbffbbaa7a7f2110623a95cf935cd8a6b13e77f62a712f44b871ca3b4182f13d0fcd3ed26e8cd00657c31d043044384

Download Submit
\Users\Admin\8_77\kafxmchc.pif

Filesize
794KB

MD5
18e404787e9c044105f5c4bec4600bd8

SHA1
9f1015bd7f33a6f3c1cc12c0971f51b1adee1939

SHA256
e15984dc8ea9627d370c40178676490129427e2dc23499f68c9c65c4386fea12

SHA512
c6a1faae524968351b4841665bfe1c5255f7e6c115b7a81a4b6c65626f23f7f15e4bb856914fce15225c33a2e2b6166b3f1f87698895fe0ce4cb084b630c2a5f

Download Submit
\Users\Admin\AppData\Local\Temp\RegSvcs.exe

Filesize
44KB

MD5
0e06054beb13192588e745ee63a84173

SHA1
30b7d4d1277bafd04a83779fd566a1f834a8d113

SHA256
c5d6d56ded55fbd6c150ee3a0eb2e5671cae83106be2be4d70ce50aa50bab768

SHA512
251a112f3f037e62ff67a467389e47a56afb344bc942b17efa9bd2970494718b26bbee9adc3ac35f93ee4d2114aa426b6d0ea4bafad294b6c118a15f1977c215

Download Submit
memory/1968-169-0x0000000000090000-0x00000000000F6000-memory.dmp

Filesize
408KB

Download
memory/1968-166-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/1968-170-0x0000000004D60000-0x0000000004E1C000-memory.dmp

Filesize
752KB

Download
memory/1968-168-0x0000000000090000-0x00000000000F6000-memory.dmp

Filesize
408KB

Download
memory/1968-167-0x0000000000090000-0x00000000000F6000-memory.dmp

Filesize
408KB

Download
memory/1968-164-0x0000000000090000-0x00000000000F6000-memory.dmp

Filesize
408KB

Download
memory/2372-183-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2372-184-0x00000000002B0000-0x00000000009C0000-memory.dmp

Filesize
7.1MB

Download
memory/2372-181-0x00000000002B0000-0x00000000009C0000-memory.dmp

Filesize
7.1MB

Download
memory/2372-186-0x00000000002B0000-0x00000000009C0000-memory.dmp

Filesize
7.1MB

Download
memory/2372-189-0x00000000002B0000-0x00000000002EA000-memory.dmp

Filesize
232KB

Download
memory/2372-187-0x00000000002B0000-0x00000000009C0000-memory.dmp

Filesize
7.1MB

Download